Mechanical Engineering :: Machine Design
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A shaft coupling should
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In the levers of first type, the mechanical advantage is __________ one.
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The load placed at the top of the screw in a mechanical screw jack is prevented from rotation by providing a swivelling mechanism.
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The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)
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The shear stress at a point in a shaft subjected to a torque is
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A.
directly proportional to the polar moment of inertia and to the distance of the point from the axis |
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B.
directly proportional to the applied torque and inversely proportional to the polar moment of inertia |
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C.
directly proportional to the applied torque and the polar moment of inertia |
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D.
inversely proportional to the applied torque and the polar moment of inertia |